21030386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{463}}^1\times {\mathrm{1747}}^1$

素因数の和:2225

約数の個数: 16

約数和(自身を含む): 34065024

約数和(自身を除く): 13034638

約数列:

[1, 2, 13, 26, 463, 926, 1747, 3494, 6019, 12038, 22711, 45422, 808861, 1617722, 10515193, 21030386]

約数ペア:

[(1, 21030386), (2, 10515193), (13, 1617722), (26, 808861), (463, 45422), (926, 22711), (1747, 12038), (3494, 6019)]